Comparison
GPT-5.6 Sol vs GPT-5.5
Stay on gpt-5.5 if a script already sends that id. Move to gpt-5.6-sol if you are setting up Codex or Cursor now.
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Side by side
GPT-5.6 Sol
Who this is for: New Codex and Cursor configs. The checked-in example uses gpt-5.6-sol.
- Current setup default
- OpenAI plan
- Same host as GPT-5.5
GPT-5.5
Who this is for: Existing curl and SDK calls that already pass gpt-5.5.
- Documented curl model
- OpenAI plan
- Do not rename the id in old scripts
Who each option is for
GPT-5.6 Sol: New Codex and Cursor configs. The checked-in example uses gpt-5.6-sol.
GPT-5.5: Existing curl and SDK calls that already pass gpt-5.5.
Details
- Who is GPT-5.6 Sol for?
- New Codex and Cursor configs. The checked-in example uses gpt-5.6-sol.
- Who is GPT-5.5 for?
- Existing curl and SDK calls that already pass gpt-5.5.
Related
- GPT-5.6 Sol — Pricing and call shape for gpt-5.6-sol.
- GPT-5.5 — Pricing and call shape for gpt-5.5.
- All comparisons — Head-to-head pages for models and for Token Supply.
- Token cost calculator — Price a token mix at listed and official rates.